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El-Assmy, A., El-Nahas, A.R. and Mohamed, E. (2006) Predictors of Success after Extracorporeal Shock Wave Lithotripsy (ESWL) for Renal Calculi between 20 -30 mm: A Multivariate Analysis Model. The Scientific World Journal, 6, 2388-2390http://dx.doi.org/10.1100/tsw.2006.370

has been cited by the following article:

  • TITLE: Success Factors of Extracorporeal Shock Wave Lithotripsy (ESWL) for Renal & Ureteric Calculi in Adult

    AUTHORS: Ammar Fadil Abid

    KEYWORDS: ESWL; Renal Stone; Ureteric Stone; Success Factors

    JOURNAL NAME: Open Journal of Urology, Vol.4 No.3, March 19, 2014

    ABSTRACT: The purpose of this study was to define factors that have a significant impact on the stone-free rate after ESWL. Methods: A total of 417 patients harboring renal or ureteral stones underwent extracorporeal shock wave lithotripsy (ESWL) between October 2008 and July 2012. Eighty five patients were lost on follow up. The remaining (n = 332). All patients were >18 yr of age. Siemens and SLX-F2 electromagnetic machines were used to impart shock waves. Patients were stratified according to localization (pelvic, calyceal, or ureteral stones) and stone size (up to 10 mm, 10 - 20 mm, and >20 mm). Result: The overall success rate was 251/332 (75.6%) achieve stone free status. Repeated ESWL sessions were needed in 258 (61.9%). Of eleven variables were studied including age, sex, side, location (pelvic, calyx, ureter), ureteric stent, previous renal surgery, stone size, number of shock waves, opacity of stone, renal system state, and type of lithotripter, three variables were significantly affect the success rate namely stone size, number of shock waves and location of stone. Conclusions: ESWL remains one of the most commonly utilized treatments for patients with upper urinary tract calculi; Stone diameter, location, and number of shock waves, are the most important predictors determining stone clearance after ESWL of renal and ureteric calculi. To optimize treatment outcomes with ESWL the presence of treating urologist is essential to optimize the final result.